To meet the market demand of plug with high-current resistance, XT90-S adopts 4.5mm banana design, lightweight technique.The features of XT90-S are anti-spark function and built-in resistance. Two-stages interleaving: the first stage, resistance is connected, it is anti-spark; the second stage, resistance is shielded, it keeps normal power.The XT90-S is compatible with XT90 plug.